Description

Cs 645A CAS NO 117-27-1 is a high-purity chemical compound, specifically identified as 1,5-Dihydroxyanthraquinone. This anthraquinone derivative is a valuable intermediate and functional material prized for its specific chemical structure and properties. It is essential for manufacturers and R&D facilities in the pharmaceutical, dye, and specialty chemical industries seeking reliable, high-quality raw materials for synthesis and production.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with anthraquinone-based structures.
• Dye and Pigment Manufacturing: Serves as a crucial precursor for producing high-value anthraquinone dyes, including vat dyes and disperse dyes used in textiles and plastics.
• Organic Synthesis: Utilized as a versatile intermediate in research and development for creating complex organic molecules, including ligands and functional materials.
• Analytical Chemistry: Can be employed as a standard or reagent in chromatographic analysis and other laboratory testing procedures.
• Specialty Chemicals: Used in the formulation of performance chemicals where its specific quinone structure imparts desired functional properties.

Basic Information

Product Name	Cs 645A
CAS No.	117-27-1
Molecular Formula	C14H8O4
Molecular Weight	240.21 g/mol
Synonyms	1,5-Dihydroxyanthraquinone; 1,5-Dihydroxy-9,10-anthracenedione; Anthraquinone, 1,5-dihydroxy-; C.I. 58050; Solvent Orange 86; 1,5-Anthraquinonediol; 1,5-DHAQ
EINECS	204-178-5

Quality Control

Our Cs 645A is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. We provide comprehensive Certificates of Analysis (COA) upon request, detailing the results of tests such as HPLC assay, related substances, and residual solvents to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Orange to red-brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.